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CVE-2021-4019

Status: AnalyzedHigh (7.8)—

vim is vulnerable to Heap-based Buffer Overflow

CVSS

Exploitation probability (EPSS)

EPSS (Exploit Prediction Scoring System, FIRST) estimates how likely a vulnerability is to be exploited in the wild within 30 days. It complements CVSS (impact) and CISA KEV (confirmed exploitation).

Affected technologies (4)

CWEs

References

Raw JSON (NVD)

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{
  "id": "CVE-2021-4019",
  "cveTags": [],
  "metrics": {
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          "vectorString": "AV:N/AC:M/Au:N/C:P/I:P/A:P",
          "authentication": "NONE",
          "integrityImpact": "PARTIAL",
          "accessComplexity": "MEDIUM",
          "availabilityImpact": "PARTIAL",
          "confidentialityImpact": "PARTIAL"
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        "acInsufInfo": false,
        "impactScore": 6.4,
        "baseSeverity": "MEDIUM",
        "obtainAllPrivilege": false,
        "exploitabilityScore": 8.6,
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          "vectorString": "CVSS:3.0/AV:L/AC:L/PR:N/UI:N/S:C/C:N/I:N/A:H",
          "integrityImpact": "NONE",
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  "published": "2021-12-01T10:15:07.913",
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  "vulnStatus": "Analyzed",
  "weaknesses": [
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      "source": "security@huntr.dev",
      "description": [
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          "lang": "en",
          "value": "CWE-122"
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  "descriptions": [
    {
      "lang": "en",
      "value": "vim is vulnerable to Heap-based Buffer Overflow"
    },
    {
      "lang": "es",
      "value": "vim es vulnerable a un Desbordamiento del Búfer en la región Heap de la Memoria"
    }
  ],
  "lastModified": "2026-06-17T04:18:54.323",
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}